[PATCH V2 1/4] qemu monitor: add snaphot-save/delete QMP commands

Signed-off-by: Nikolai Barybin <nikolai.barybin(a)virtuozzo.com&gt; --- src/qemu/qemu_monitor.c | 30 ++++++++++++++++ src/qemu/qemu_monitor.h | 13 +++++++ src/qemu/qemu_monitor_json.c | 66 ++++++++++++++++++++++++++++++++++++ src/qemu/qemu_monitor_json.h | 13 +++++++ 4 files changed, 122 insertions(+) diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c index b1c0c6a064..53f5ecf223 100644 --- a/src/qemu/qemu_monitor.c +++ b/src/qemu/qemu_monitor.c @@ -2763,6 +2763,36 @@ qemuMonitorDeleteSnapshot(qemuMonitor *mon, const char *name) } +int +qemuMonitorSnapshotSave(qemuMonitor *mon, + const char *jobname, + const char *snapshotName, + const char *vmstateDev, + char **wrdevs) +{ + VIR_DEBUG("jobname=%s, snapshotName=%s, vmstateDev=%s, wrdevs=%p", + jobname, snapshotName, vmstateDev, wrdevs); + + QEMU_CHECK_MONITOR(mon); + + return qemuMonitorJSONSnapshotSave(mon, jobname, snapshotName, vmstateDev, wrdevs); +} + + +int +qemuMonitorSnapshotDelete(qemuMonitor *mon, + const char *jobname, + const char *snapshotName, + char **wrdevs) +{ + VIR_DEBUG("jobname=%s, snapshotName=%s, wrdevs=%p", jobname, snapshotName, wrdevs); + + QEMU_CHECK_MONITOR(mon); + + return qemuMonitorJSONSnapshotDelete(mon, jobname, snapshotName, wrdevs); +} + + int qemuMonitorBlockdevMirror(qemuMonitor *mon, const char *jobname, diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h index 76c859a888..27dbb78e06 100644 --- a/src/qemu/qemu_monitor.h +++ b/src/qemu/qemu_monitor.h @@ -1617,3 +1617,16 @@ int qemuMonitorDisplayReload(qemuMonitor *mon, const char *type, bool tlsCerts); + +int +qemuMonitorSnapshotSave(qemuMonitor *mon, + const char *jobname, + const char *snapshotName, + const char *vmstateDev, + char **wrdevs); + +int +qemuMonitorSnapshotDelete(qemuMonitor *mon, + const char *jobname, + const char *snapshotName, + char **wrdevs); diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c index 8a20ce57e6..312a4aee04 100644 --- a/src/qemu/qemu_monitor_json.c +++ b/src/qemu/qemu_monitor_json.c @@ -8955,3 +8955,69 @@ int qemuMonitorJSONDisplayReload(qemuMonitor *mon, return 0; } + +int +qemuMonitorJSONSnapshotSave(qemuMonitor *mon, + const char *jobname, + const char *snapshotName, + const char *vmstateDev, + char **wrdevs) +{ + g_autoptr(virJSONValue) cmd = NULL; + g_autoptr(virJSONValue) reply = NULL; + g_autoptr(virJSONValue) wrdev_list = NULL; + size_t i = 0; + + if (wrdevs) { + wrdev_list = virJSONValueNewArray(); + + for (i = 0; wrdevs[i]; i++) + if (virJSONValueArrayAppendString(wrdev_list, wrdevs[i]) < 0) + return -1; + } + + if (!(cmd = qemuMonitorJSONMakeCommand("snapshot-save", + "s:job-id", jobname, + "s:tag", snapshotName, + "s:vmstate", vmstateDev, + "A:devices", &wrdev_list, + NULL))) + return -1; + + if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0) + return -1; + + return qemuMonitorJSONCheckError(cmd, reply); +} + +int +qemuMonitorJSONSnapshotDelete(qemuMonitor *mon, + const char *jobname, + const char *snapshotName, + char **wrdevs) +{ + g_autoptr(virJSONValue) cmd = NULL; + g_autoptr(virJSONValue) reply = NULL; + g_autoptr(virJSONValue) wrdev_list = NULL; + size_t i = 0; + + if (wrdevs) { + wrdev_list = virJSONValueNewArray(); + + for (i = 0; wrdevs[i]; i++) + if (virJSONValueArrayAppendString(wrdev_list, wrdevs[i]) < 0) + return -1; + } + + if (!(cmd = qemuMonitorJSONMakeCommand("snapshot-delete", + "s:job-id", jobname, + "s:tag", snapshotName, + "A:devices", &wrdev_list, + NULL))) + return -1; + + if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0) + return -1; + + return qemuMonitorJSONCheckError(cmd, reply); +} diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h index 921dd34ed2..0245cd54fc 100644 --- a/src/qemu/qemu_monitor_json.h +++ b/src/qemu/qemu_monitor_json.h @@ -825,3 +825,16 @@ qemuMonitorJSONQueryStats(qemuMonitor *mon, int qemuMonitorJSONDisplayReload(qemuMonitor *mon, const char *type, bool tlsCerts); + +int +qemuMonitorJSONSnapshotSave(qemuMonitor *mon, + const char *jobname, + const char *snapshotName, + const char *vmstateDev, + char **wrdevs); + +int +qemuMonitorJSONSnapshotDelete(qemuMonitor *mon, + const char *jobname, + const char *snapshotName, + char **wrdevs); -- 2.43.5